stephen garner of new york methodist hospital. dr. garner, great to see you. >> great to see you, jamie. jamie: let's talk about the mistakes that are made, how troubling is the trend? >> it is nothing new and if you look at it the trend is decreasing but no mistake is acceptable when you're dealing with surgery and people's lives but there are basic things people can do and surgeons and patients to avoid the mistakes. for example, getting right leg operated on the doctor should take magic marker put a note on the right leg, this is the leg to be operated on. very basic stuff, you never make a mistake. what happens the doctor makes wrong side surgery because the patient is flipped on back or stomach the right and left are reversed. doctor, patient should make sure this is the right patient operated on. i'm mrs. jones, am i correct patient you're talking about? again communication. a lot of times doctors are rushing and don't take time to do it. sponges and equipment left behind in patients belly. measure number of sponges at beginning